Кабылбекова А.Т., Тілеуберді Е., and Акбаров Х.И. “ФИЗИКО-ХИМИЧЕСКИЕ СВОЙСТВА БИТУМОВ”. Modern Scientific Method, no. 5 (January 7, 2024). Accessed April 29, 2026. https://ojs.publisher.agency/index.php/MSM/article/view/2803.